There are always people on the Internet talking about how overtime is and how they are exploited. In fact, in my opinion, working overtime in your spare time is also a good choice. If you don’t have a...
I hope this will be helpful to everyone in designing high-frequency boards. I still have a lot of information on special boards. If you need it, please leave a message and I will continue to update it...
Samsung 2440A chip. Just set the IO port, the code is as follows: m_pIOPregs->GPJCON &= ~(0x3 GPJCON |= (0x1 GPJDAT &= ~(0x1 GPJDAT = 0x%x **********"),m_pIOPregs- >GPJDAT)); RETAILMSG(1,(TEXT("******...
When reading the arm MMU document, there is a paragraph that I don't understand: Regarding the "Noncacheable, bufferable" status of DCache, the document explains it as follows: DCache disabled. Read f...
Linux driver development seems to be a very high-end profession. After all, there are too many upper-level application developers, and the threshold is not particularly high. However, there are far fe...
The isolation technology in electromagnetic compatibility is discussed, including magnetic isolation, photoelectric isolation, electromechanical isolation, acoustic isolation and floating ground techn...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]